64 lines
1.8 KiB
C#
64 lines
1.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using linesider_screen_bankend.Core.Mvvm;
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using linesider_screen_bankend.Modules.ModuleName.Event;
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using linesider_screen_bankend.Services.Interfaces;
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using Prism.Events;
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using Prism.Regions;
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namespace linesider_screen_bankend.Modules.ModuleName.ViewModels
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{
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public class CommonLogViewModel : RegionViewModelBase
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{
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private readonly IEventAggregator _eventAggregator;
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private SubscriptionToken _token;
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private ILogService _logService;
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private string _logMessage;
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public string LogMessage
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{
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get { return _logMessage; }
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set { SetProperty(ref _logMessage, value); }
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}
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public CommonLogViewModel(IRegionManager regionManager,
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ILogService logService,
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IEventAggregator eventAggregator) : base(regionManager)
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{
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_eventAggregator = eventAggregator;
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// 订阅事件，使用UI线程处理，保持强引用
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_token = _eventAggregator.GetEvent<CommonLogEvent>()
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.Subscribe(OnLogReceived, ThreadOption.UIThread, true);
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LogMessage = logService.GetInitMessage();
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_logService = logService;
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}
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private void OnLogReceived(string message)
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{
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LogMessage += $"{DateTime.Now}: {message}\n";
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_logService.AddMessage(message); // 使用日志服务记录
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}
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public void Destroy()
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{
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_token?.Dispose();
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}
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public void AddLogMessage()
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{
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_logService.AddMessage("123");
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}
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public override void OnNavigatedTo(NavigationContext navigationContext)
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{
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//do something
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}
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}
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}
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